From WikiLeaks

German spent 16 years as a decorated undercover FBI agent, which ended when he blew the whistle on the corrupt management of a counterterrorism case. In 2002, he was investigating meetings between terrorism suspects. When he discovered other officers had jeopardized the investigation by violating wiretapping regulations, he reported what he found to his supervisors, in accordance with FBI policy. His accusations were ignored, his reputation ruined and his career obliterated.